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676 results for “hydrology”
Desmognathus quadramaculatus excretion rate study at the Coweeta Hydrologic Laboratory, Otto, NC.
We examined the excretion rate of 18 Desmognathus quadramaculatus collected from W34 at Coweeta. Salamanders were collected and immediately placed in filtered stream water. They remained in the water for 24 hrs. Following excretion trials, animals were sacrificed, remaining water was filtered, and each was analyzed for levels of nitrogen and phosphorus.
Concentration of calcium in stream-dwelling Plethodontid salamanders across six streams located with the Coweeta Hydrologic Laboratory, Otto, NC
We examined the concentration of calcium in several species of stream-dwelling plethodontid salamanders captured across six streams located within the Coweeta LTER site. %Ca was measured for 15 Eurycea wilderae, 15 Desmognathus ocoee, and 20 Desmognathus quadramaculatus. Because D. quadramaculatus larvae represent animals across a 3-4 year larval lifespan, for %Ca analysis we randomly sampled 6-8 D. quadramaculatus from each of three size classes: 18-25 mm SVL, 26-33 mm SVL, and 33-40 mm SVL.
Riparian disturbance restricts connectivity of Appalachian stream salamander populations at the Coweeta Hydrologic Laboratory
Human populations are rapidly expanding and encroaching on previously undisturbed habitats. Stream salamanders in the southern Appalachian Mountains are a diverse and abundant group threatened by rapid exurban development in high-elevation watersheds. Previous research has demonstrated the sensitivity of salamanders to urbanization, but little research exists describing the mechanisms behind population declines and extirpations. Appalachian stream salamanders are adapted to forested streams with dense overstory and little light, yet following urbanization, light gaps associated with land clearing emerge. Light avoidance behaviors may alter movement behaviors of salamanders, fragmenting populations on opposite sides of light gaps. To study the effects on riparian disturbance on salamanders we established 6 experimental sites with canopy gaps ranging from 13m to 85m in stream length and 2 control sites lacking canopy gaps in May of 2010. Animals were collected within these plots, marked, and translocated to the plot on the opposite side of the gap. To establish detection probabilities in the absence of translocation, we established an additional 10m plot in the forest at each site where individuals were captured, marked, and re-released within this area. Recaptured individuals were measured and in some cases re-marked if those individuals had returned to their capture location.
Joyce Kilmer Memorial Forest - microclimate station - midslope plot at the Coweeta Hydrologic Laboratory from 1996 to 2008
Tree stem temperature is currently being collected to determine both diurnal and seasonal variation in tree stem temperatures for all species and sizes present at the Joyce Kilmer Memorial Forest mid-slope plot. The purpose of the data is to characterize the tree stem temperature regimes as they relate to tree stem respiration. Data will continue to be collected indefinitely. Data will be subsequently summarized and published. This study supports project 4006: Southern Appalachian tree stem respiration. Resources for students about terms used in this study: Joyce Kilmer Memorial Forest - Source: University of North Carolina-Asheville, National Forests Forest Carbon Cycling - Source: Coweeta Schoolyard LTER
Stem temperature at watershed 18, cove 218 gradient plot at the Coweeta Hydrologic Laboratory from 1996 to 1999
Tree stem temperature is currently being collected to determine both diurnal and seasonal variation in tree stem temperatures for all species and sizes present at the Coweeta Watershed 18 Cove 218 Gradient Plot. The purpose of the data is to characterize the tree stem temperature regimes as they relate to tree stem respiration. Data will continue to be collected until approximately December 1997. Data will then be subsequently summarized and published.
Aboveground biomass and nitrogen allocation of ten deciduous southern Appalachian tree species at the Coweeta Hydrologic Laboratory in 1997
Allometric equations were developed for mature trees of 10 deciduous species at the Coweeta Hydrologic Laboratory in western North Carolina, U.S.A. These equations included the following dependent variables: stem wood mass, stem bark mass, branch mass, total wood mass, foliage mass, total biomass, foliage area, stem surface area, sapwood volume, and total tree volume. High correlation coefficients (R2) were observed for all variables versus stem diameter, with the highest being for total tree biomass, which ranged from 0.981 for Oxdendrum arboreum to 0.999 for Quercus coccinea. Foliage area had the lowest R2 values, ranging from 0.555 for Quercus alba to 0.962 for Betula lenta. When all species were combined, correlation coefficients ranged from 0.822 for foliage area to 0.986 for total wood mass, total tree biomass, and total tree volume. Species with ring versus diffuse/semiring porous wood anatomy exhibited higher leaf area with a given cross-sectional sapwood area as well as lower total sapwood volume. Liriodendron tulipifera contained one of the highest foliar nitrogen concentrations and had consistently low branch, bark, sapwood, and heartwood nitrogen contents. For a tree diameter of 50 cm, Carya spp. exhibited the highest total nitrogen content whereas Liriodendron tulipifera exhibited the lowest.
Community structure of aquatic vertebrates and macroinvertebrates in relation to hydrologic variables in the Shark River Slough, Everglades National Park, Florida USA: Ongoing since 2012
The purpose of this project is to characterize the community structure of aquatic fauna (macroinvertebrates and fishes) and floating mats (including periphyton) across the heterogenous landscape of the NE Shark River Slough in Everglades NP. The community structure (abundance, biomass, and species composition) of floating mat, emergent vascular plants, fishes, and macroinvertebrates, and the spatial distribution of the latter in relation to hydrology, are among the key performance measures targeted for monitoring. The aim of our study is to provide a baseline characterization of these parameters so that the impact of future management activities (e.g., Modified Water Deliveries and Comprehensive Everglades Restoration Plan) can be assessed. The study area is sampled during the late wet season (September through November) to capture data when all sites are innundated with water and aquatic animal standing stocks are typically at their maximum. We document landscape-scale patterns in the NE Shark River Slough from this comprehensive sampling.
Hydrology - Stream Centerlines - Ipswich Watershed - Idrisi Raster File.
This datalayer is part of a group of layers used for research in the Ipswich River Watershed. This datalayer was rasterized from the vector line data set “ip30_hydrology”, a modified version of the hydrology layer available from MassGIS for the Ipswich Watershed. To be used to generate a hydrologically corrected Digital Elevation Model, and to examine sampling site catchments or sub-watersheds within the Ipswich River Watershed.
SBC LTER: Land: Hydrology: Daily precipitation from Santa Barbara County Flood Control (Public Works Department)
These daily total precipitation data represent legacy data obtained by SBC LTER from the the Santa Barbara County Flood Control District for several coastal watersheds draining into the Santa Barbara Channel (California, USA). Starting in 2001, SBC also began archive high-frequency data from County stations with active data loggers which are available in other SBC data packages. These data were collected in accordance with current industry standards. The data are contained in 3 tables, for stations with active data loggers and tipping gauges, active stations with other types of gauges, and inactive stations. Only data collected with tipping gauges and data loggers can be interpolated to to the resolution required by SBC's research objectives, and so only this data table will be updated (annually, at the end of the water year).
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Arroyo Burro Creek, Cliff Drive (AB00)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Arroyo Burro Creek at Cliff Drive, AB00 in the Santa Barbara coastal area (site ID: AB00). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Bell Canyon Creek at Winchester Canyon Rd (BC02)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Bell Canyon Creek at Winchester Canyon Rd, BC02 in the Santa Barbara coastal area (site ID: BC02). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Gaviota Creek, Hwy 101 South Rest Stop (GV01)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Gaviota Creek along Highway 101 at the South Rest Stop, GV01 in the Santa Barbara coastal area (site ID: GV01). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Arroyo Hondo Creek , Upstream Side of 101 Bridge (HO00)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Arroyo Hondo Creek at Upstream Side of Highway 101 Bridge, HO00 in the Santa Barbara coastal area (site ID: HO00). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Mission Creek, Montecito St (MC00)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Mission Creek at Montecito St, MC00 in the Santa Barbara coastal area (site ID: MC00). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Refugio Creek, Hwy 101 (RG01)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Refugio Creek at Highway 101, RG01 in the Santa Barbara coastal area (site ID: RG01). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Stream discharge and associated parameters at Rattlesnake Creek, Las Canoas Rd (RS02)
Stream Discharge and water temperature were collected with a Solinst Model 3001 LT Levelogger at Rattlesnake Creek at Las Canoas Road, RS02 in the Santa Barbara coastal area (site ID: RS02). Data are reported hourly. Stage values were converted to discharge using a rating curve developed with stream channel cross-sections, roughness estimates and the HEC-RAS model.
SBC LTER: Land: Hydrology: Daily precipitation from station UCSB-200, 1951-2008
These daily total precipitation data represent reference material for the SBC LTER samplilng area, and are for general use. Data were collected by the Santa Barbara County Flood Control District at the station UCSB200, starting in 1951. Dataset will be updated annually, for the previous water-year. These data were collected in accordance with current industry standards using a tipping gauge. Related data: High frequency data from this station are also available. See data set titled: SBCLTER: Land: Hydrology: Santa Barbara County Flood Control District - Precipitation at UCSB200 (id = knb-lter-sbc.5016).
SBC LTER: Land: Hydrology: Precipitation at Carpinteria at Veddar's Ranch (CP201)
Precipitation was collected at Carpinteria at Veddar's Ranch in the Santa Barbara coastal area (site ID: CP201). A Tipping Bucket rain gauge from either Qualimetrics (Model 6011B) or Sutron (Model 5600-0425-2) was used. Data are reported hourly, and times reflect the end of the each 1-hour interval.
SBC LTER: Land: Hydrology: Precipitation at Gobernador at Veddar's Ranch (GB201)
Precipitation was collected at Gobernador at Veddar's Ranch in the Santa Barbara coastal area (site ID: GB201). A Tipping Bucket rain gauge from either Qualimetrics (Model 6011B) or Sutron (Model 5600-0425-2) was used. Data are reported hourly, and times reflect the end of the each 1-hour interval.
SBC LTER: Land: Hydrology: Precipitation at Arroyo Hondo at Upper Outlaw Trail (HO202)
Precipitation was collected at Arroyo Hondo at Upper Outlaw Trail in the Santa Barbara coastal area (site ID: HO202). A Tipping Bucket rain gauge from either Qualimetrics (Model 6011B) or Sutron (Model 5600-0425-2) was used. Data are reported hourly, and times reflect the end of the each 1-hour interval.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
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